Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.040033] ------------[ cut here ]------------ [ 39.040938] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.042978] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 39.044420] Modules linked in: [ 39.044998] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.046970] Tainted: [W]=WARN [ 39.047559] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.049016] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.049930] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 39.053070] RSP: 0018:ffff888018c0fbc0 EFLAGS: 00010286 [ 39.054052] RAX: 0000000000000000 RBX: ffffed1003181f78 RCX: ffffffff813a4050 [ 39.055370] RDX: ffff88800f9a8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.056651] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003181f2f [ 39.057934] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.059254] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018c0fdf8 [ 39.060536] FS: 00007fa241a47900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.061970] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.063032] CR2: 00007fa241fad4a6 CR3: 000000000de7a000 CR4: 0000000000350ef0 [ 39.064329] Call Trace: [ 39.064796] [ 39.065207] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.066117] ? __create_object+0x59/0x80 [ 39.066916] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.067879] __vmalloc_noprof+0x59/0x60 [ 39.068629] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.069488] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.070414] bpf_prog_alloc+0x39/0x200 [ 39.071118] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.072038] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.072939] do_seccomp+0x349/0x25e0 [ 39.073661] ? find_held_lock+0x2b/0x80 [ 39.074411] ? do_prlimit+0x310/0x610 [ 39.075111] ? __pfx_do_seccomp+0x10/0x10 [ 39.075890] ? do_raw_spin_unlock+0x53/0x220 [ 39.076705] ? _raw_spin_unlock+0x1e/0x40 [ 39.077491] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.078445] ? static_key_count+0x60/0x80 [ 39.079210] prctl_set_seccomp+0x4e/0x70 [ 39.079978] __do_sys_prctl+0xe6c/0x1d70 [ 39.080765] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.081603] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.082565] ? irqentry_exit+0xf3/0x650 [ 39.083351] do_syscall_64+0xbf/0x430 [ 39.084038] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.084972] RIP: 0033:0x7fa241f395cd [ 39.085674] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 39.088835] RSP: 002b:00007ffda94c3080 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.090183] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa241f395cd [ 39.091485] RDX: 0000558c8f1afe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.092756] RBP: 00007ffda94c30e0 R08: 0000000000000000 R09: 00007ffda94c2780 [ 39.094026] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558ca1ab4ad0 [ 39.095315] R13: 00007ffda94c3510 R14: 0000558ca1ab5bc0 R15: 0000558ca1ac6780 [ 39.096612] [ 39.097031] irq event stamp: 1759 [ 39.097686] hardirqs last enabled at (1769): [] __up_console_sem+0x78/0x80 [ 39.099245] hardirqs last disabled at (1780): [] sysvec_apic_timer_interrupt+0xf/0x80 [ 39.100891] softirqs last enabled at (1708): [] handle_softirqs+0x50c/0x770 [ 39.102417] softirqs last disabled at (1703): [] __irq_exit_rcu+0xc4/0x100 [ 39.103789] ---[ end trace 0000000000000000 ]--- [ 41.998191] ------------[ cut here ]------------ [ 41.998796] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.000067] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 42.000978] Modules linked in: [ 42.001373] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.002615] Tainted: [W]=WARN [ 42.002972] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.003896] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.004473] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 42.006499] RSP: 0018:ffff888018fe7bc0 EFLAGS: 00010286 [ 42.007097] RAX: 0000000000000000 RBX: ffffed10031fcf78 RCX: ffffffff813a4050 [ 42.007900] RDX: ffff88801699d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.008695] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10031fcf2f [ 42.009517] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.010325] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018fe7df8 [ 42.011111] FS: 00007f68ed61a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.012018] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.012679] CR2: 00007ffe44c67ef8 CR3: 000000000da66000 CR4: 0000000000350ef0 [ 42.013491] Call Trace: [ 42.013784] [ 42.014041] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.014604] ? __create_object+0x59/0x80 [ 42.015077] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.015697] __vmalloc_noprof+0x59/0x60 [ 42.016147] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.016700] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.017292] bpf_prog_alloc+0x39/0x200 [ 42.017733] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.018327] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.018879] do_seccomp+0x349/0x25e0 [ 42.019342] ? find_held_lock+0x2b/0x80 [ 42.019795] ? do_prlimit+0x310/0x610 [ 42.020260] ? __pfx_do_seccomp+0x10/0x10 [ 42.020735] ? do_raw_spin_unlock+0x53/0x220 [ 42.021261] ? _raw_spin_unlock+0x1e/0x40 [ 42.021738] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.022351] ? static_key_count+0x60/0x80 [ 42.022844] prctl_set_seccomp+0x4e/0x70 [ 42.023339] __do_sys_prctl+0xe6c/0x1d70 [ 42.023806] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.024349] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.024936] ? irqentry_exit+0xf3/0x650 [ 42.025419] do_syscall_64+0xbf/0x430 [ 42.025858] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.026467] RIP: 0033:0x7f68edb0c5cd [ 42.026898] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 42.028890] RSP: 002b:00007ffe44c66800 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.029757] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f68edb0c5cd [ 42.030570] RDX: 00005645b5c76e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.031389] RBP: 00007ffe44c66860 R08: 0000000000000000 R09: 00007ffe44c65f00 [ 42.032165] R10: 0000000000000000 R11: 0000000000000246 R12: 00005645c75c7ad0 [ 42.032976] R13: 00007ffe44c66c90 R14: 00005645c75c8bc0 R15: 00005645c75d9780 [ 42.033794] [ 42.034056] irq event stamp: 1777 [ 42.034454] hardirqs last enabled at (1787): [] __up_console_sem+0x78/0x80 [ 42.035403] hardirqs last disabled at (1796): [] __up_console_sem+0x5d/0x80 [ 42.036340] softirqs last enabled at (1402): [] handle_softirqs+0x50c/0x770 [ 42.037289] softirqs last disabled at (1391): [] __irq_exit_rcu+0xc4/0x100 [ 42.038188] ---[ end trace 0000000000000000 ]--- [ 42.645370] ------------[ cut here ]------------ [ 42.646269] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.648354] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 42.649783] Modules linked in: [ 42.650393] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.652388] Tainted: [W]=WARN [ 42.652949] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.654644] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.655637] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 42.658770] RSP: 0018:ffff888017637bc0 EFLAGS: 00010286 [ 42.659730] RAX: 0000000000000000 RBX: ffffed1002ec6f78 RCX: ffffffff813a4050 [ 42.660992] RDX: ffff88801aced340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.662264] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ec6f2f [ 42.663527] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.664793] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017637df8 [ 42.666065] FS: 00007fb3d1602900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.667533] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.668600] CR2: 00007fb3d1af4580 CR3: 000000001fb2c000 CR4: 0000000000350ef0 [ 42.669876] Call Trace: [ 42.670375] [ 42.670795] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.671678] ? __create_object+0x59/0x80 [ 42.672455] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.673411] __vmalloc_noprof+0x59/0x60 [ 42.674113] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.674977] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.675893] bpf_prog_alloc+0x39/0x200 [ 42.676637] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.677551] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.678455] do_seccomp+0x349/0x25e0 [ 42.679149] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.680037] ? __pfx_do_seccomp+0x10/0x10 [ 42.680818] ? find_held_lock+0x2b/0x80 [ 42.681584] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.682554] ? static_key_count+0x60/0x80 [ 42.683369] prctl_set_seccomp+0x4e/0x70 [ 42.684087] __do_sys_prctl+0xe6c/0x1d70 [ 42.684865] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.685707] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.686653] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.687620] ? irqentry_exit+0xf3/0x650 [ 42.688394] do_syscall_64+0xbf/0x430 [ 42.689085] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.690034] RIP: 0033:0x7fb3d1af45cd [ 42.690737] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 42.693875] RSP: 002b:00007ffcb7b0b9a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.695255] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb3d1af45cd [ 42.696517] RDX: 000055cf5eb8be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.697789] RBP: 00007ffcb7b0ba00 R08: 0000000000000000 R09: 00007ffcb7b0b0a0 [ 42.699069] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cf6c0a9240 [ 42.700350] R13: 00007ffcb7b0be30 R14: 000055cf6c0b2380 R15: 000055cf6c0bd540 [ 42.701631] [ 42.702050] irq event stamp: 1799 [ 42.702723] hardirqs last enabled at (1809): [] __up_console_sem+0x78/0x80 [ 42.704181] hardirqs last disabled at (1818): [] __up_console_sem+0x5d/0x80 [ 42.705423] softirqs last enabled at (1768): [] handle_softirqs+0x50c/0x770 [ 42.706690] softirqs last disabled at (1763): [] __irq_exit_rcu+0xc4/0x100 [ 42.707936] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:10144' (ECDSA) to the list of known hosts. 2025/11/17 12:52:03 fuzzer started 2025/11/17 12:52:03 dialing manager at localhost:37895 2025/11/17 12:52:03 checking machine... 2025/11/17 12:52:03 checking revisions... [ 43.532980] kmemleak: Automatic memory scanning thread ended 2025/11/17 12:52:04 testing simple program... [ 43.607341] cgroup: Unknown subsys name 'net' [ 43.676545] cgroup: Unknown subsys name 'cpuset' [ 43.704468] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 12:52:03 Registers: info registers vcpu 0 RAX=ffffffff81ab647f RBX=ffffffff81618fa0 RCX=ffff888009627794 RDX=1ffff110012c4f13 RSI=ffffffff81ab647f RDI=ffff888009627908 RBP=ffff8880096278d8 RSP=ffff888009627838 R8 =0000000000000001 R9 =ffff888009627880 R10=000000000003c9ed R11=00000000000255ec R12=ffff888009627908 R13=0000000000000000 R14=ffff888009611bc0 R15=ffff888009462280 RIP=ffffffff81618fa0 RFL=00000282 [--S----] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f68ed5da008 CR3=000000001f903000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=0000000000000001 RCX=ffffffff81bce544 RDX=000000000000bce5 RSI=000000000000bce5 RDI=ffffffff86ef2d68 RBP=ffff888015ea79b0 RSP=ffff888015ea78e8 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000000001 R12=ffff888015ea79b8 R13=ffff888015ea79a0 R14=ffff888015ea7999 R15=ffff888015ea7958 RIP=ffffffff8135e5e2 RFL=00000212 [----A--] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f258fa55900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffffc302f78 CR3=000000000b85c000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=41e3d8901805a6aa00000000000ae988 XMM05=4d66297aacdf14b80000000000322500 XMM06=090f1556b20111b30000000000321398 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000